window.onload=function (){
    //获取显示隐藏按钮DOM数组
    let showBtnArr=document.getElementsByClassName('fa-caret-down');
    //获取订单明细dom数组
    let detailedBoxArr=document.getElementsByClassName('w-full order-detailed');
    // 设置默认所有订单明细都隐藏
    for(let i=0;i<showBtnArr.length;i++){
        detailedBoxArr[i].style.display='none';
    }
    for(let i=0;i<showBtnArr.length;i++){
        showBtnArr[i].onclick=function (){
            if(detailedBoxArr[i].style.display=='none'){
                detailedBoxArr[i].style.display='block';
            }else{
                detailedBoxArr[i].style.display='none';
            }
        }
    }
}